<?php
// +-------------------------------
// | 中润报表系统
// +-------------------------------
// | author: zw
// +-------------------------------


namespace app\common\lists;


interface ListsExtendInterface
{

    /**
     * @notes 扩展字段
     * @return mixed
     * @author zw
     * @date 2021/7/21 17:45
     */
    public function extend();

}